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Nice app.
On lens-lab can you please extend the range to longer lenses on a future update.
I have a Nikon 70mm to 300mm zoom
Some of my lenses go to f32
I also have a 500mm mirror lens f8 ( made by soligor). This one is realy difficult to use but every now and then I use it.

Also it would be useful if the calculation of the width in meters for the DoF near and DoF far, and for the focal distance. I know this will need to assume a few things but it would help in choosing lenses for telephoto and wide angle shots.

We are in the process of updating Lens•Lab and will have aperture customization. You will be able to specify a maximum aperture of up to ƒ/0.5.

I haven’t put any work into neutral density filter options. At least for now, Lens•Lab deals solely with the how aperture affects depth of field (and those resulting computations) and not exposure. We’ll certainly add that option if we ever add exposure to the mix.

Jeff, thanks for your great app. After the most recent update, the App store icon in the dock continues to show a “1” button. When I go into the App Store the “1 Update Available” is Lens Lab – but the status is “Installed”. Any clues on what’s going on here?

Really enjoying your app as a learning / experimenting tool. I was wondering if it was likely you might add the sensor size for Sony’s RX100 (13.2 mm × 8.8 mm (1.0 type) Exmor CMOS sensor). This camera is making a lot of headlines and has been very popular lately with enthusiasts wanting a compact alternative. But depth of field is challenging and quite limited; thus it’s addition here may be very useful to people stepping up from point-and-shoots but haven’t chosen a DSLR.